A284823 - OEIS

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A284823 as a triangular array

1

2 0

3 0 0

4 0 2 0

5 0 6 2 0

6 0 12 6 6 0

7 0 20 12 24 4 0

8 0 30 20 60 18 14 0

9 0 42 30 120 48 78 12 0

10 0 56 42 210 100 252 72 28 0

11 0 72 56 336 180 620 240 234 24 0

12 0 90 72 504 294 1290 600 1008 216 62

A284823 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
`0`	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`
`0`	`6`	`24`	`60`	`120`	`210`	`336`	`504`
`0`	`4`	`18`	`48`	`100`	`180`	`294`
`0`	`14`	`78`	`252`	`620`	`1290`
`0`	`12`	`72`	`240`	`600`
`0`	`28`	`234`	`1008`
`0`	`24`	`216`
`0`	`62`

A284823 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`0`	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
			`0`	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`
				`0`	`6`	`24`	`60`	`120`	`210`	`336`	`504`
					`0`	`4`	`18`	`48`	`100`	`180`	`294`
						`0`	`14`	`78`	`252`	`620`	`1290`
							`0`	`12`	`72`	`240`	`600`
								`0`	`28`	`234`	`1008`
									`0`	`24`	`216`
										`0`	`62`

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)